diff --git a/tools/jenkins-scripts/gen_jsb.py b/tools/jenkins-scripts/gen_jsb.py
index 0d18dbacf3..1403b49400 100644
--- a/tools/jenkins-scripts/gen_jsb.py
+++ b/tools/jenkins-scripts/gen_jsb.py
@@ -1,9 +1,16 @@
 #!/usr/bin/python
 
 import os
+import sys
 
+ret = 0
 genbindings_dirs = ['tolua']
 for item in genbindings_dirs:
     os.chdir("tools/" + item)
-    os.system('python genbindings.py')
+    ret = os.system('python genbindings.py')
     os.chdir("../..")
+    if(ret != 0):
+        ret = 1
+        break
+    
+sys.exit(ret)
diff --git a/tools/jenkins-scripts/pull-request-builder.py b/tools/jenkins-scripts/pull-request-builder.py
index c9d753bffe..8b6b8909f6 100755
--- a/tools/jenkins-scripts/pull-request-builder.py
+++ b/tools/jenkins-scripts/pull-request-builder.py
@@ -103,16 +103,18 @@ def main():
 
     # Generate binding glue codes
     if(branch == 'develop'):
-      os.system("python tools/jenkins-scripts/gen_jsb.py")
+      ret = os.system("python tools/jenkins-scripts/gen_jsb.py")
     elif(branch == 'master'):
       os.chdir('tools/tojs')
       if(platform.system() == 'Windows'):
         os.environ['NDK_ROOT'] = os.environ['NDK_ROOT_R8E']
-        os.system("genbindings-win32.bat")
+        ret = os.system("genbindings-win32.bat")
         os.environ['NDK_ROOT'] = os.environ['NDK_ROOT_R9B']
       else:
-        os.system("./genbindings.sh")
+        ret = os.system("./genbindings.sh")
       os.chdir('../..')
+    if(ret != 0):
+        return(1)
 
     #make temp dir
     print "current dir is: " + os.environ['WORKSPACE']